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Property And Equipment (Tables)
9 Months Ended
Sep. 30, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property and Equipment

Property and equipment consist of the following (in thousands):
 
September 30, 2013
 
December 31, 2012
Machinery and equipment
$
356,935

 
$
356,512

Land, buildings and improvements
90,234

 
95,047

Furniture and fixtures
12,998

 
13,397

Leasehold improvements
14,886

 
14,975

 
475,053

 
479,931

Less allowance for depreciation
(366,662
)
 
(361,700
)
 
$
108,391

 
$
118,231